How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/26100.0*Chance in playoffs100.0*Average seed
Meg 116.42 Jackie 123.12 +12.3
+0.5
Ruski 140.04 Darth 99.58 +6.4
+0.2
Ortiz 77.96 Topper 84.74 -2.3
-0.1
James 144.86 Rob 132.8 -1.8
CoP 113.56 Mel 142.78 -1.4
-0.1
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Moff 124.72 Jackie 124.18 -32.7
-1.0
Ruski 135.56 Topper 97.26 +10.1
+0.3
Ortiz 117.8 Rob 122.84 -3.3
-0.1
David 65.82 Darth 103.22 -1.0
-0.0
James 129.84 Mel 135.54 -0.4
If winner is:HomeAway
Week of 12/10100.0*Chance in playoffs100.0*Average seed
Darth vs JackieOut+29.3
-0.8+0.8
David vs Topper+20.7-5.0
+0.4-0.1
Ruski vs Rob+8.6-3.8
+0.2-0.1
CoP vs James+7.4-1.3
+0.2-0.0

What If

Chances based on how well the Jackie finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-058.7%114434141,156,336
80-1Out69441,143,056
Total:29.3%1721244782,299,392
Games Above .500
Chance Will Make Playoffs